Inventor: Baglin, Katrina
Inventor: van der Velden, Josephus M.
Inventor: Schoenmakers, Kees
Inventor: Cornelis, Daniel
Inventor: van Eijk, Joseph P.
Inventor: van Eijk, Joseph P.
Inventor: Bradford, Virginia
Inventor: Hommes, Gerard Dirk
Inventor: John A. Long, Eugene W. Mayer, Jake T. Gruis
Inventor: Robert V. Schreiner
Inventor: Robert V. Schreiner
Inventor: Schreiner, Robert V.
Inventor: Schreiner, Robert
Inventor: McKee, William J.
Inventor: McGuire, Orvid E.
Inventor: Barcafer, Ellis H.